Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color
Main Author: | |
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Publication Date: | 2021 |
Other Authors: | |
Format: | Article |
Language: | eng |
Source: | Food Science and Technology (Campinas) |
Download full: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612021000600483 |
Summary: | Abstract The effect of microwave power, sample thickness, and diameter on drying kinetics, effective moisture diffusivity, and activation energy of apple cylinders for microwave drying were investigated. Also, the effect of the microwave power on the quality of the dried apples was studied by measuring the surface color change and scanning the surface structure. The same mass of fresh apples was dried at different power levels. Two diameters and three thicknesses were studied. Aghbashlo model showed the best fitting for the drying kinetics of apple. The drying time was reduced by increasing the power and the diameter, but the thickness had no clear effect. The effective diffusivity values ranged between 1.47 × 10-7 and 24.4 × 10-7 m2/s. The effective diffusivity increased by increasing the three studied parameters. The parameters' effects on the drying time and the diffusivity were studied using a full factorial experimental design. The power and the diameter had the highest effect on the drying time. However, the thickness had the highest effect on the effective diffusivity. |
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Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and colormicrowave dryingkineticscolor changeSEMdesign of experienceAbstract The effect of microwave power, sample thickness, and diameter on drying kinetics, effective moisture diffusivity, and activation energy of apple cylinders for microwave drying were investigated. Also, the effect of the microwave power on the quality of the dried apples was studied by measuring the surface color change and scanning the surface structure. The same mass of fresh apples was dried at different power levels. Two diameters and three thicknesses were studied. Aghbashlo model showed the best fitting for the drying kinetics of apple. The drying time was reduced by increasing the power and the diameter, but the thickness had no clear effect. The effective diffusivity values ranged between 1.47 × 10-7 and 24.4 × 10-7 m2/s. The effective diffusivity increased by increasing the three studied parameters. The parameters' effects on the drying time and the diffusivity were studied using a full factorial experimental design. The power and the diameter had the highest effect on the drying time. However, the thickness had the highest effect on the effective diffusivity.Sociedade Brasileira de Ciência e Tecnologia de Alimentos2021-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612021000600483Food Science and Technology v.41 suppl.2 2021reponame:Food Science and Technology (Campinas)instname:Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA)instacron:SBCTA10.1590/fst.26420info:eu-repo/semantics/openAccessKRIAA,KarimNASSAR,Ahmed Fayezeng2021-12-06T00:00:00Zoai:scielo:S0101-20612021000600483Revistahttp://www.scielo.br/ctaONGhttps://old.scielo.br/oai/scielo-oai.php||revista@sbcta.org.br1678-457X0101-2061opendoar:2021-12-06T00:00Food Science and Technology (Campinas) - Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA)false |
dc.title.none.fl_str_mv |
Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color |
title |
Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color |
spellingShingle |
Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color KRIAA,Karim microwave drying kinetics color change SEM design of experience |
title_short |
Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color |
title_full |
Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color |
title_fullStr |
Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color |
title_full_unstemmed |
Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color |
title_sort |
Study of gala apples (Malus pumila) thin-layer microwave drying: drying kinetics, diffusivity, structure and color |
author |
KRIAA,Karim |
author_facet |
KRIAA,Karim NASSAR,Ahmed Fayez |
author_role |
author |
author2 |
NASSAR,Ahmed Fayez |
author2_role |
author |
dc.contributor.author.fl_str_mv |
KRIAA,Karim NASSAR,Ahmed Fayez |
dc.subject.por.fl_str_mv |
microwave drying kinetics color change SEM design of experience |
topic |
microwave drying kinetics color change SEM design of experience |
description |
Abstract The effect of microwave power, sample thickness, and diameter on drying kinetics, effective moisture diffusivity, and activation energy of apple cylinders for microwave drying were investigated. Also, the effect of the microwave power on the quality of the dried apples was studied by measuring the surface color change and scanning the surface structure. The same mass of fresh apples was dried at different power levels. Two diameters and three thicknesses were studied. Aghbashlo model showed the best fitting for the drying kinetics of apple. The drying time was reduced by increasing the power and the diameter, but the thickness had no clear effect. The effective diffusivity values ranged between 1.47 × 10-7 and 24.4 × 10-7 m2/s. The effective diffusivity increased by increasing the three studied parameters. The parameters' effects on the drying time and the diffusivity were studied using a full factorial experimental design. The power and the diameter had the highest effect on the drying time. However, the thickness had the highest effect on the effective diffusivity. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612021000600483 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612021000600483 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/fst.26420 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Ciência e Tecnologia de Alimentos |
publisher.none.fl_str_mv |
Sociedade Brasileira de Ciência e Tecnologia de Alimentos |
dc.source.none.fl_str_mv |
Food Science and Technology v.41 suppl.2 2021 reponame:Food Science and Technology (Campinas) instname:Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA) instacron:SBCTA |
instname_str |
Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA) |
instacron_str |
SBCTA |
institution |
SBCTA |
reponame_str |
Food Science and Technology (Campinas) |
collection |
Food Science and Technology (Campinas) |
repository.name.fl_str_mv |
Food Science and Technology (Campinas) - Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA) |
repository.mail.fl_str_mv |
||revista@sbcta.org.br |
_version_ |
1752126328908283904 |